0
TECHNICAL PAPERS: Gas Turbines: Advanced Energy Systems

Thermodynamic Optimization of the HAT Cycle Plant Structure—Part I: Optimization of the “Basic Plant Configuration”

[+] Author and Article Information
A. Lazzaretto, F. Segato

Department of Mechanical Engineering, University of Padova, via Venezia 1, 35131 Padova, Italy

J. Eng. Gas Turbines Power 123(1), 1-7 (Jan 23, 2000) (7 pages) doi:10.1115/1.1338999 History: Received June 29, 1999; Revised January 23, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Rao, A., Francuz, V., Mulato, F., Sng, B., West, E., J., K., Perkins, G., and Podolski, D., 1993, “A Feasibility and Assessment Study for FT 4000 Humid Air Turbine (HAT).” Final Report TR-102156, EPRl, Palo Alto, CA.
Day,  W., and Rao,  A., 1993, “Redefined Natural Gas HAT Cycle Produces Higher Output,” Modern Power Systems, 13, p. 6.
Lindgren, G., Eriksson, J., Bredhe, K., and Annerwall, K., 1992, “The HAT Cycle, a Possible Future for Power Generation,” Proc. of Florence World Energy Research Symposium (Flowers’92), S. Stecco and M. Moran, eds., Florence, Italy, June 7–12, Nova Science Publishers, Commack, NY.
Stecco, S. S., Desideri, U., Facchini, B., and Bettagli, N., 1993, “The Humid Air Cycle: Some Thermodynamic Considerations, ASME Paper 93-GT-77.
Stecco, S. S., Desideri, U., and Bettagli, N., 1993, “Humid Air Gas turbine Cycle: A Possible Optimization, ASME Paper 93-GT-178.
Huang, F. F., and Naumowicz, T., 1994, “Thermodynamic Study of the System Performance of an Externally-Fired Humid Air Turbine Cycle Power Plant,” Proc. of Florence World Energy Research Symposium (Flowers’94), E. Carnevale, G. Manfrida, and F. Martelli, eds., Florence, Italy, July 6–8, SGEditoriali, Padava, Italy.
Rosen, P., Eidensten, L., Svedberg, G., Torisson, T., and Yan, J., 1994, “Analysis of Small Scale Evaporative Gas Turbines. Part I: Directly Fired with Natural Gas,” Proc. of Florence World Energy Research Symposium (Flowers’94), E. Carnevale, G. Manfrida, and F. Martelli, eds., Florence, Italy, July 6–8, SGEditoriali, Padava, Italy.
Chiesa,  P., Lozza,  G., Macchi,  E., and Consonni,  S., 1995, “An Assessment of the Thermodynamic Performance of Mixed Gas Steam Cycles: Part B–Water-Injected and HAT Cycles,” J. Eng. Gas Turbines Power, 117, pp. 499–508.
Bram, S., and De Ruyck, J., 1996, “Exergy Analysis Tools for Aspen Applied to Evaporative Cycle Design,” Proc. of ECOS’96, Efficiency, Costs, Optimization, Simulation and Environmental Aspects of Energy Systems, Stockholm, Sweden, P. Alvfors, L. Eidensten, G. Svedberg, and J. Yan, eds., pp. 217–224.
Xiao, Y. H., Cai, R., and Lin, R., 1996, “Modeling HAT Cycle and Thermodynamic Evaluation,” Proc. of ECOS ’96 Efficiency, Costs, Optimization, Simulation and Environmental Aspects of Energy Systems, Stockholm, Sweden, P. Alvfors, L. Eidensten, G. Svedberg, and J. Yan, eds., pp. 211–216.
Lazzaretto, A., and Segato, F., 1999. “A Systematic Approach to the Definition of the HAT Cycle Structure Using Pinch Technology,” Proceedings of the ECOS’99 International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Aspects of Energy Systems, M. Ishida, G. Tsatsaronis, M. J. Moran, and H. Kataoka, eds., Tokyo Institute of Technology, Tokyo, June 8–10, pp. 215–222.
Linhoff, B., Townsend, D. W., Boland, D., Hewitt, G. F., Thomas, B. E. A., Guy, A. R., and Marsland, R. H., 1982–1994, A User Guide on Process Integration for the Efficient Use of Energy, The Institute of Chemical Engineering, Rugby, Warks, UK.
Sama,  D. A., 1995a, “The Use of the Second Law of Thermodynamics in Process Design,” J. Energy Resour. Technol., 117, pp. 179–185.
Sama,  D. A., 1995b, “Differences between Second Law Analysis and Pinch Technology,” J. Energy Resour. Technol., 117, pp. 186–191.
Aspen Plus, 1996, “Aspen Plus User Guide”, release 9.3, Aspen Technology Inc., Cambridge, MA.
Stecco, S. S., and Facchini, B., 1989, “A Computer Model for Cooled Expansion in Gas Turbine,” Proc. of 1989 ASME Cogen-Turbo Symposium, Nice, France, pp. 201–209.

Figures

Grahic Jump Location
One of the HAT cycle plant configuration proposed in the literature. The “basic components” and the heat transfer section are included within dotted lines. The “basic configuration” of the HAT cycle proposed here.
Grahic Jump Location
Flow chart of one of the steps of the optimization procedure of the basic plant configuration (η and P represent the total plant efficiency and specific power, respectively)
Grahic Jump Location
Black-box with hot streams (LPA—low pressure air in the intercooler, HPA—high pressure air in the aftercooler EXG—exhaust gases in the economizer) and cold streams (MUW—make-up water, RW—recuperated water at the bottom of the saturator, SW—water sent to the saturator, FUEL)
Grahic Jump Location
Flow-chart of the Fortran routine used to determine the optimal value of the temperature at the saturator inlet (Tw)
Grahic Jump Location
Composite curves in the black-box. In each segment heat can be exchanged using various combinations of the hot and cold streams shown in Fig. 3
Grahic Jump Location
Composite curves for Tac=150°C and Tac=180°C (above the optimum)
Grahic Jump Location
Composite curves for Tac=60°C and Tac=30°C (below the optimum)

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In